diff --git a/code/nel/CMakeModules/PCHSupport.cmake b/code/nel/CMakeModules/PCHSupport.cmake index 1bae6863c..a8e64eaaf 100644 --- a/code/nel/CMakeModules/PCHSupport.cmake +++ b/code/nel/CMakeModules/PCHSupport.cmake @@ -1,4 +1,4 @@ -# - Try to find precompiled headers support for GCC 3.4 and 4.x +# - Try to find precompiled headers support for GCC 3.4 and 4.x (and MSVC) # Once done this will define: # # Variable: @@ -12,74 +12,72 @@ IF(CMAKE_COMPILER_IS_GNUCXX) - EXEC_PROGRAM( - ${CMAKE_CXX_COMPILER} - ARGS ${CMAKE_CXX_COMPILER_ARG1} -dumpversion - OUTPUT_VARIABLE gcc_compiler_version) - #MESSAGE("GCC Version: ${gcc_compiler_version}") - IF(gcc_compiler_version MATCHES "4\\.[0-9]\\.[0-9]") - SET(PCHSupport_FOUND TRUE) - ELSE(gcc_compiler_version MATCHES "4\\.[0-9]\\.[0-9]") - IF(gcc_compiler_version MATCHES "3\\.4\\.[0-9]") - SET(PCHSupport_FOUND TRUE) - ENDIF(gcc_compiler_version MATCHES "3\\.4\\.[0-9]") - ENDIF(gcc_compiler_version MATCHES "4\\.[0-9]\\.[0-9]") - + EXEC_PROGRAM( + ${CMAKE_CXX_COMPILER} + ARGS ${CMAKE_CXX_COMPILER_ARG1} -dumpversion + OUTPUT_VARIABLE gcc_compiler_version) + #MESSAGE("GCC Version: ${gcc_compiler_version}") + IF(gcc_compiler_version MATCHES "4\\.[0-9]\\.[0-9]") + SET(PCHSupport_FOUND TRUE) + ELSE(gcc_compiler_version MATCHES "4\\.[0-9]\\.[0-9]") + IF(gcc_compiler_version MATCHES "3\\.4\\.[0-9]") + SET(PCHSupport_FOUND TRUE) + ENDIF(gcc_compiler_version MATCHES "3\\.4\\.[0-9]") + ENDIF(gcc_compiler_version MATCHES "4\\.[0-9]\\.[0-9]") + SET(_PCH_include_prefix "-I") - + ELSE(CMAKE_COMPILER_IS_GNUCXX) + IF(WIN32) SET(PCHSupport_FOUND TRUE) # for experimental msvc support SET(_PCH_include_prefix "/I") ELSE(WIN32) SET(PCHSupport_FOUND FALSE) ENDIF(WIN32) -ENDIF(CMAKE_COMPILER_IS_GNUCXX) +ENDIF(CMAKE_COMPILER_IS_GNUCXX) MACRO(_PCH_GET_COMPILE_FLAGS _out_compile_flags) - STRING(TOUPPER "CMAKE_CXX_FLAGS_${CMAKE_BUILD_TYPE}" _flags_var_name) SET(${_out_compile_flags} ${${_flags_var_name}} ) - + IF(CMAKE_COMPILER_IS_GNUCXX) - - GET_TARGET_PROPERTY(_targetType ${_PCH_current_target} TYPE) - IF(${_targetType} STREQUAL SHARED_LIBRARY) - LIST(APPEND ${_out_compile_flags} "${${_out_compile_flags}} -fPIC") - ENDIF(${_targetType} STREQUAL SHARED_LIBRARY) - + GET_TARGET_PROPERTY(_targetType ${_PCH_current_target} TYPE) + IF(${_targetType} STREQUAL SHARED_LIBRARY) + LIST(APPEND ${_out_compile_flags} "${${_out_compile_flags}} -fPIC") + ENDIF(${_targetType} STREQUAL SHARED_LIBRARY) + ELSE(CMAKE_COMPILER_IS_GNUCXX) - ## TODO ... ? or does it work out of the box + ## TODO ... ? or does it work out of the box ENDIF(CMAKE_COMPILER_IS_GNUCXX) - + GET_DIRECTORY_PROPERTY(DIRINC INCLUDE_DIRECTORIES ) FOREACH(item ${DIRINC}) - LIST(APPEND ${_out_compile_flags} "${_PCH_include_prefix}${item}") + LIST(APPEND ${_out_compile_flags} "${_PCH_include_prefix}${item}") ENDFOREACH(item) - + GET_DIRECTORY_PROPERTY(_directory_flags DEFINITIONS) #MESSAGE("_directory_flags ${_directory_flags}" ) LIST(APPEND ${_out_compile_flags} ${_directory_flags}) LIST(APPEND ${_out_compile_flags} ${CMAKE_CXX_FLAGS} ) - + SEPARATE_ARGUMENTS(${_out_compile_flags}) ENDMACRO(_PCH_GET_COMPILE_FLAGS) - MACRO(_PCH_WRITE_PCHDEP_CXX _targetName _include_file _dephelp) - SET(${_dephelp} ${CMAKE_CURRENT_BINARY_DIR}/${_targetName}_pch_dephelp.cxx) - FILE(WRITE ${${_dephelp}} + SET(${_dephelp} ${CMAKE_CURRENT_BINARY_DIR}/${_targetName}_pch_dephelp.cxx) + FILE(WRITE ${${_dephelp}} "#include \"${_include_file}\" int testfunction() { - return 0; + return 0; } " - ) + ) ENDMACRO(_PCH_WRITE_PCHDEP_CXX ) @@ -87,114 +85,113 @@ MACRO(_PCH_GET_COMPILE_COMMAND out_command _input _output) FILE(TO_NATIVE_PATH ${_input} _native_input) FILE(TO_NATIVE_PATH ${_output} _native_output) - + IF(CMAKE_COMPILER_IS_GNUCXX) - IF(CMAKE_CXX_COMPILER_ARG1) - # remove leading space in compiler argument - STRING(REGEX REPLACE "^ +" "" pchsupport_compiler_cxx_arg1 ${CMAKE_CXX_COMPILER_ARG1}) + IF(CMAKE_CXX_COMPILER_ARG1) + # remove leading space in compiler argument + STRING(REGEX REPLACE "^ +" "" pchsupport_compiler_cxx_arg1 ${CMAKE_CXX_COMPILER_ARG1}) - SET(${out_command} - ${CMAKE_CXX_COMPILER} ${pchsupport_compiler_cxx_arg1} ${_compile_FLAGS} -x c++-header -o ${_output} ${_input} - ) - ELSE(CMAKE_CXX_COMPILER_ARG1) - SET(${out_command} - ${CMAKE_CXX_COMPILER} ${_compile_FLAGS} -x c++-header -o ${_output} ${_input} - ) - ENDIF(CMAKE_CXX_COMPILER_ARG1) + SET(${out_command} + ${CMAKE_CXX_COMPILER} ${pchsupport_compiler_cxx_arg1} ${_compile_FLAGS} -x c++-header -o ${_output} ${_input} + ) + ELSE(CMAKE_CXX_COMPILER_ARG1) + SET(${out_command} + ${CMAKE_CXX_COMPILER} ${_compile_FLAGS} -x c++-header -o ${_output} ${_input} + ) + ENDIF(CMAKE_CXX_COMPILER_ARG1) ELSE(CMAKE_COMPILER_IS_GNUCXX) - + SET(_dummy_str "#include <${_input}>") FILE(WRITE ${CMAKE_CURRENT_BINARY_DIR}/pch_dummy.cpp ${_dummy_str}) - + SET(${out_command} ${CMAKE_CXX_COMPILER} ${_compile_FLAGS} /c /Fp${_native_output} /Yc${_native_input} pch_dummy.cpp ) #/out:${_output} ENDIF(CMAKE_COMPILER_IS_GNUCXX) - + ENDMACRO(_PCH_GET_COMPILE_COMMAND ) MACRO(_PCH_GET_TARGET_COMPILE_FLAGS _cflags _header_name _pch_path _dowarn ) - FILE(TO_NATIVE_PATH ${_pch_path} _native_pch_path) - - IF(CMAKE_COMPILER_IS_GNUCXX) - # for use with distcc and gcc >4.0.1 if preprocessed files are accessible - # on all remote machines set - # PCH_ADDITIONAL_COMPILER_FLAGS to -fpch-preprocess - # if you want warnings for invalid header files (which is very inconvenient - # if you have different versions of the headers for different build types - # you may set _pch_dowarn - IF (_dowarn) - SET(${_cflags} "${PCH_ADDITIONAL_COMPILER_FLAGS} -include ${CMAKE_CURRENT_BINARY_DIR}/${_header_name} -Winvalid-pch " ) - ELSE (_dowarn) - SET(${_cflags} "${PCH_ADDITIONAL_COMPILER_FLAGS} -include ${CMAKE_CURRENT_BINARY_DIR}/${_header_name} " ) - ENDIF (_dowarn) - ELSE(CMAKE_COMPILER_IS_GNUCXX) - - set(${_cflags} "/Fp${_native_pch_path} /Yu${_header_name}" ) - - ENDIF(CMAKE_COMPILER_IS_GNUCXX) - + FILE(TO_NATIVE_PATH ${_pch_path} _native_pch_path) + + IF(CMAKE_COMPILER_IS_GNUCXX) + # for use with distcc and gcc >4.0.1 if preprocessed files are accessible + # on all remote machines set + # PCH_ADDITIONAL_COMPILER_FLAGS to -fpch-preprocess + # if you want warnings for invalid header files (which is very inconvenient + # if you have different versions of the headers for different build types + # you may set _pch_dowarn + IF (_dowarn) + SET(${_cflags} "${PCH_ADDITIONAL_COMPILER_FLAGS} -include ${CMAKE_CURRENT_BINARY_DIR}/${_header_name} -Winvalid-pch " ) + ELSE (_dowarn) + SET(${_cflags} "${PCH_ADDITIONAL_COMPILER_FLAGS} -include ${CMAKE_CURRENT_BINARY_DIR}/${_header_name} " ) + ENDIF (_dowarn) + ELSE(CMAKE_COMPILER_IS_GNUCXX) + + set(${_cflags} "/Fp${_native_pch_path} /Yu${_header_name}" ) + + ENDIF(CMAKE_COMPILER_IS_GNUCXX) + ENDMACRO(_PCH_GET_TARGET_COMPILE_FLAGS ) MACRO(GET_PRECOMPILED_HEADER_OUTPUT _targetName _input _output) GET_FILENAME_COMPONENT(_name ${_input} NAME) GET_FILENAME_COMPONENT(_path ${_input} PATH) - SET(_output "${CMAKE_CURRENT_BINARY_DIR}/${_name}.gch/${_targetName}_${CMAKE_BUILD_TYPE}.h++") + SET(_output "${CMAKE_CURRENT_BINARY_DIR}/${_name}.gch/${_targetName}_${CMAKE_BUILD_TYPE}.gch") ENDMACRO(GET_PRECOMPILED_HEADER_OUTPUT _targetName _input) MACRO(ADD_PRECOMPILED_HEADER_TO_TARGET _targetName _input _pch_output_to_use ) - + # to do: test whether compiler flags match between target _targetName # and _pch_output_to_use GET_FILENAME_COMPONENT(_name ${_input} NAME) IF( "${ARGN}" STREQUAL "0") - SET(_dowarn 0) + SET(_dowarn 0) ELSE( "${ARGN}" STREQUAL "0") - SET(_dowarn 1) + SET(_dowarn 1) ENDIF("${ARGN}" STREQUAL "0") - _PCH_GET_TARGET_COMPILE_FLAGS(_target_cflags ${_name} ${_pch_output_to_use} ${_dowarn}) - # MESSAGE("Add flags ${_target_cflags} to ${_targetName} " ) - SET_TARGET_PROPERTIES(${_targetName} - PROPERTIES - COMPILE_FLAGS ${_target_cflags} - ) + _PCH_GET_TARGET_COMPILE_FLAGS(_target_cflags ${_name} ${_pch_output_to_use} ${_dowarn}) + # MESSAGE("Add flags ${_target_cflags} to ${_targetName} " ) + SET_TARGET_PROPERTIES(${_targetName} + PROPERTIES + COMPILE_FLAGS ${_target_cflags} + ) + + ADD_CUSTOM_TARGET(pch_Generate_${_targetName} + DEPENDS ${_pch_output_to_use} + ) - ADD_CUSTOM_TARGET(pch_Generate_${_targetName} - DEPENDS ${_pch_output_to_use} - ) - ADD_DEPENDENCIES(${_targetName} pch_Generate_${_targetName} ) - + ENDMACRO(ADD_PRECOMPILED_HEADER_TO_TARGET) MACRO(ADD_PRECOMPILED_HEADER _targetName _input) SET(_PCH_current_target ${_targetName}) - + IF(NOT CMAKE_BUILD_TYPE) - MESSAGE(FATAL_ERROR - "This is the ADD_PRECOMPILED_HEADER macro. " - "You must set CMAKE_BUILD_TYPE!" - ) + MESSAGE(FATAL_ERROR + "This is the ADD_PRECOMPILED_HEADER macro. " + "You must set CMAKE_BUILD_TYPE!" + ) ENDIF(NOT CMAKE_BUILD_TYPE) IF( "${ARGN}" STREQUAL "0") - SET(_dowarn 0) + SET(_dowarn 0) ELSE( "${ARGN}" STREQUAL "0") - SET(_dowarn 1) + SET(_dowarn 1) ENDIF("${ARGN}" STREQUAL "0") - GET_FILENAME_COMPONENT(_name ${_input} NAME) GET_FILENAME_COMPONENT(_path ${_input} PATH) GET_PRECOMPILED_HEADER_OUTPUT( ${_targetName} ${_input} _output) @@ -205,16 +202,15 @@ MACRO(ADD_PRECOMPILED_HEADER _targetName _input) _PCH_WRITE_PCHDEP_CXX(${_targetName} ${_input} _pch_dephelp_cxx) IF(${_targetType} STREQUAL SHARED_LIBRARY) - ADD_LIBRARY(${_targetName}_pch_dephelp SHARED ${_pch_dephelp_cxx} ) + ADD_LIBRARY(${_targetName}_pch_dephelp SHARED ${_pch_dephelp_cxx} ) ELSE(${_targetType} STREQUAL SHARED_LIBRARY) - ADD_LIBRARY(${_targetName}_pch_dephelp STATIC ${_pch_dephelp_cxx}) + ADD_LIBRARY(${_targetName}_pch_dephelp STATIC ${_pch_dephelp_cxx}) ENDIF(${_targetType} STREQUAL SHARED_LIBRARY) FILE(MAKE_DIRECTORY ${_outdir}) - _PCH_GET_COMPILE_FLAGS(_compile_FLAGS) - + #MESSAGE("_compile_FLAGS: ${_compile_FLAGS}") #message("COMMAND ${CMAKE_CXX_COMPILER} ${_compile_FLAGS} -x c++-header -o ${_output} ${_input}") SET_SOURCE_FILES_PROPERTIES(${CMAKE_CURRENT_BINARY_DIR}/${_name} PROPERTIES GENERATED 1) @@ -223,24 +219,22 @@ MACRO(ADD_PRECOMPILED_HEADER _targetName _input) COMMAND ${CMAKE_COMMAND} -E copy ${_input} ${CMAKE_CURRENT_BINARY_DIR}/${_name} # ensure same directory! Required by gcc DEPENDS ${_input} ) - + #message("_command ${_input} ${_output}") _PCH_GET_COMPILE_COMMAND(_command ${CMAKE_CURRENT_BINARY_DIR}/${_name} ${_output} ) - + #message(${_input} ) #message("_output ${_output}") ADD_CUSTOM_COMMAND( - OUTPUT ${_output} - COMMAND ${_command} - DEPENDS ${_input} ${CMAKE_CURRENT_BINARY_DIR}/${_name} ${_targetName}_pch_dephelp - ) - + OUTPUT ${_output} + COMMAND ${_command} + DEPENDS ${_input} ${CMAKE_CURRENT_BINARY_DIR}/${_name} ${_targetName}_pch_dephelp + ) ADD_PRECOMPILED_HEADER_TO_TARGET(${_targetName} ${_input} ${_output} ${_dowarn}) ENDMACRO(ADD_PRECOMPILED_HEADER) - # Generates the use of precompiled in a target, # without using depency targets (2 extra for each target) # Using Visual, must also add ${_targetName}_pch to sources @@ -251,8 +245,8 @@ MACRO(GET_NATIVE_PRECOMPILED_HEADER _targetName _input) if(CMAKE_GENERATOR MATCHES Visual*) SET(_dummy_str "#include \"${_input}\"\n" - "// This is required to suppress LNK4221. Very annoying.\n" - "void *g_${_targetName}Dummy = 0\;\n") + "// This is required to suppress LNK4221. Very annoying.\n" + "void *g_${_targetName}Dummy = 0\;\n") # Use of cxx extension for generated files (as Qt does) SET(${_targetName}_pch ${CMAKE_CURRENT_BINARY_DIR}/${_targetName}_pch.cxx) @@ -266,7 +260,6 @@ MACRO(GET_NATIVE_PRECOMPILED_HEADER _targetName _input) ENDMACRO(GET_NATIVE_PRECOMPILED_HEADER) - MACRO(ADD_NATIVE_PRECOMPILED_HEADER _targetName _input) IF( "${ARGN}" STREQUAL "0") @@ -274,9 +267,9 @@ MACRO(ADD_NATIVE_PRECOMPILED_HEADER _targetName _input) ELSE( "${ARGN}" STREQUAL "0") SET(_dowarn 1) ENDIF("${ARGN}" STREQUAL "0") - + if(CMAKE_GENERATOR MATCHES Visual*) - # Auto include the precompile (useful for moc processing, since the use of + # Auto include the precompile (useful for moc processing, since the use of # precompiled is specified at the target level # and I don't want to specifiy /F- for each moc/res/ui generated files (using Qt) @@ -287,16 +280,16 @@ MACRO(ADD_NATIVE_PRECOMPILED_HEADER _targetName _input) SET(newProperties "${oldProps} /Yu\"${_input}\" /FI\"${_input}\"") SET_TARGET_PROPERTIES(${_targetName} PROPERTIES COMPILE_FLAGS "${newProperties}") - - #also inlude ${oldProps} to have the same compile options + + #also inlude ${oldProps} to have the same compile options SET_SOURCE_FILES_PROPERTIES(${${_targetName}_pch} PROPERTIES COMPILE_FLAGS "${oldProps} /Yc\"${_input}\"") - + else(CMAKE_GENERATOR MATCHES Visual*) - + if (CMAKE_GENERATOR MATCHES Xcode) # For Xcode, cmake needs my patch to process # GCC_PREFIX_HEADER and GCC_PRECOMPILE_PREFIX_HEADER as target properties - + GET_TARGET_PROPERTY(oldProps ${_targetName} COMPILE_FLAGS) if (${oldProps} MATCHES NOTFOUND) SET(oldProps "")